QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005;
“Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

used for the conveyance of fluids as well as for other applications, applies to pipe piles in which the steel cylinder acts as a permanent load-carrying member, or as a shell to form cast-in-place concrete piles,

for welded, riveted,or bolted construction of bridges and buildings, and for general structural purposes,

suitable for nominal pressure 25 for liquids and nominal pressure 10 for air and non-hazardous gases,